K000160336: Out-of-band Security Notification (March 24, 2026)

Security Advisory Description On March 24, 2026, F5 announced the following security issues. This document is intended to serve as an overview of these vulnerabilities to help determine the impact to your F5 devices. You can find the details of each issue in the associated articles. High CVEs...

K000160364: NGINX ngx_http_mp4_module vulnerability CVE-2026-27784

Security Advisory Description The 32-bit implementation of NGINX Open Source has a vulnerability in the ngxhttpmp4module module, which might allow an attacker to over-read or over-write NGINX worker memory resulting in its termination, using a specially crafted MP4 file. The issue only affects...

F5 NGINX Plus和F5 NGINX Open Source 注入漏洞

F5 NGINX Plus and F5 NGINX Open Source are both products of the American company F5. F5 NGINX Plus is a software-based application delivery platform. F5 NGINX Open Source is a high-performance web server, reverse proxy server, load balancer, and API gateway. Both F5 NGINX Plus and F5 NGINX Open...

PT-2026-27431

Name of the Vulnerable Software and Affected Versions NGINX Open Source affected versions not specified Description The 32-bit implementation of NGINX Open Source contains an issue within the ngx http mp4 module module. This can allow an attacker to read from or write to NGINX worker memory,...

PT-2026-27433

Name of the Vulnerable Software and Affected Versions NGINX Plus affected versions not specified NGINX Open Source affected versions not specified Description The ngx stream ssl module module contains an issue with the improper handling of revoked certificates. When configured with the ssl verify...

PT-2026-27429

Name of the Vulnerable Software and Affected Versions NGINX Open Source affected versions not specified NGINX Plus affected versions not specified Description When the ngx mail auth http module module is enabled, certain undisclosed requests can lead to the termination of worker processes. This...

PT-2026-27430

Name of the Vulnerable Software and Affected Versions NGINX Open Source affected versions not specified NGINX Plus affected versions not specified Description A heap-based buffer overflow exists in the ngx http dav module module. This issue occurs when the configuration utilizes the DAV module MO...

PT-2026-27432

Name of the Vulnerable Software and Affected Versions NGINX Plus and NGINX Open Source affected versions not specified Description The software contains a flaw in the ngx mail smtp module module related to how it processes Carriage Return Line Feed CRLF sequences within DNS responses. An attacker...

F5 NGINX Plus和F5 NGINX Open Source 安全漏洞

F5 NGINX Plus and F5 NGINX Open Source are both products of the American company F5. F5 NGINX Plus is a software-based application delivery platform. F5 NGINX Open Source is a high-performance web server, reverse proxy server, load balancer, and API gateway. Both F5 NGINX Plus and F5 NGINX Open...

F5 NGINX Plus和F5 NGINX Open Source 代码问题漏洞

F5 NGINX Plus and F5 NGINX Open Source are both products of the American company F5. F5 NGINX Plus is a software-based application delivery platform. F5 NGINX Open Source is a high-performance web server, reverse proxy server, load balancer, and API gateway. Both F5 NGINX Plus and F5 NGINX Open...

F5 NGINX Plus和F5 NGINX Open Source 安全漏洞

F5 NGINX Plus and F5 NGINX Open Source are both products of the American company F5. F5 NGINX Plus is a software-based application delivery platform. F5 NGINX Open Source is a high-performance web server, reverse proxy server, load balancer, and API gateway. Both F5 NGINX Plus and F5 NGINX Open...

F5 NGINX Plus和F5 NGINX Open Source 缓冲区错误漏洞

F5 NGINX Plus and F5 NGINX Open Source are both products of the American company F5. F5 NGINX Plus is a software-based application delivery platform. F5 NGINX Open Source is a high-performance web server, reverse proxy server, load balancer, and API gateway. Both NGINX Open Source and NGINX Plus...

ROS-20260224-73-0002

A vulnerability in the TLS 1.3 protocol implementation of NGINX Plus and NGINX Open Source web servers is related to a flaw in the authentication procedure. Exploitation of the vulnerability may allow an intruder acting remotely to gain unauthorized access to protected information...

ALPINE-CVE-2026-1642

A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security TLS servers. An attacker with a man-in-the-middle MITM position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data in...

CVE-2026-1642

A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security TLS servers. An attacker with a man-in-the-middle MITM position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data in...

EUVD-2026-5498

A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security TLS servers. An attacker with a man-in-the-middle MITM position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data in...

CVE-2026-1642

A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security TLS servers. An attacker with a man-in-the-middle MITM position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data in...

OESA-2025-2088 nginx security update

NGINX is a free, open-source, high-performance HTTP server and reverse proxy, as well as an IMAP/POP3 proxy server. Security Fixes: NGINX Open Source and NGINX Plus have a vulnerability in the ngxmailsmtpmodule that might allow an unauthenticated attacker to over-read NGINX SMTP authentication...

CVE-2025-53859

NGINX Open Source and NGINX Plus have a vulnerability in the ngxmailsmtpmodule that might allow an unauthenticated attacker to over-read NGINX SMTP authentication process memory; as a result, the server side may leak arbitrary bytes sent in a request to the authentication server. This issue happe...

CVE-2025-53859

NGINX Open Source and NGINX Plus have a vulnerability in the ngxmailsmtpmodule that might allow an unauthenticated attacker to over-read NGINX SMTP authentication process memory; as a result, the server side may leak arbitrary bytes sent in a request to the authentication server. This issue happe...